/*
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 * and open the template in the editor.
 */
package src.controller.notas;

import java.io.IOException;
import java.io.PrintWriter;
import java.rmi.Naming;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import org.json.JSONArray;
import org.json.JSONObject;
import src.controller.util.Constantes;
import src.model.entidades.Nota;
import src.model.entidades.Usuario;
import src.model.interfaces.DBServices;

/**
 *
 * @author Manoel Afonso Filho
 */
public class Listar extends HttpServlet {

    /**
     * Processes requests for both HTTP
     * <code>GET</code> and
     * <code>POST</code> methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        
        PrintWriter out = response.getWriter();
        try {
            DBServices dbs = (DBServices) Naming.lookup("//" + Constantes.ip + "/Banco_de_dados");
            /* /getNotas
             * [{titulo:string, conteudo:string}, ...]
             */
            HttpSession session = request.getSession(true);
            Usuario usuario = (Usuario) session.getAttribute("usuario");
            List<Nota> notas = dbs.getNotas(usuario.getId());
            
            JSONArray resposta = new JSONArray();
            for (int i = 0; i < notas.size(); i++) {
                Nota n = notas.get(i);
                String titulo = n.getTitulo();
                String conteudo = n.getDescricao();
                String prazo = n.getPrazo().toString();
                JSONObject json = new JSONObject();
                json.put("titulo", titulo);
                json.put("conteudo", conteudo);
                json.put("prazo", prazo);
                resposta.put(json);
            }
            
            out.println(resposta.toString());
            
        } catch (Exception ex) {
            System.out.println("Erro ao se comunicar com o servidor de BD.");
            System.out.println(ex);
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP
     * <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP
     * <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
